0971G–SMEM–04/04
8 x 256 x 8
Secure Memory
with
Authentication
AT88SC1608
Features
One 128 x 8 (1K bit) Configuration Zone
Eight 256 x 8 (16K bits) User Zones
Low Voltage Operation: 2.7V to 5.5V
Two-wire Serial Interface
16-byte Page Write Mode
Self-timed Write Cycle (10 ms max)
Answer-to-Reset Register
High Security Memory Including Anti-wiretapping
– 64-bit Authentication Protocol (under exclusive patent license from ELVA)
– Authentication Attempts Counter
– Eight Sets of Two 24-bit Passwords
– Specific Passwords for Read and Write
– Sixteen Password Attempts Counters
– Selectable Access Rights by Zone
ISO Compliant Packaging
High Reliability
– Endurance: 100,000 Cycles
– Data Retention: 100 Years
– ESD Protection: 4,000V (min)
Low-power CMOS
Card Module Contact 8-pin SOIC, PDIP, or LAP
Table 1. Pin Configuration
Name Description ISO Module Contact Standard Package Pin
VCC Supply Voltage C1 8
GND Ground C5 1
SCL Serial Clock Input C3 6
SDA Serial Data Input/Output C7 3
RST Reset Input C2 7
VCC
NC
8
7
6
5
1
2
3
4
GND
NC
SDA
NC
VCC
RST
SCL
NC
1